:root {
  color-scheme: dark;
  --navy: #071426;
  --cyan: #08d2e8;
  --blue: #087bff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: radial-gradient(circle at top, #123457 0, var(--navy) 48%);
  color: #fff;
  font-family: Inter, Arial, Helvetica, sans-serif;
}

main {
  width: min(100%, 760px);
  margin: auto;
  padding: 22px 14px 36px;
  text-align: center;
}

.brand {
  width: min(82%, 500px);
  height: auto;
  margin: 0 auto 20px;
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(27px, 7vw, 44px);
  line-height: 1.08;
}

.lead {
  margin: 0 auto 22px;
  max-width: 650px;
  color: #c9d7e8;
  font-size: clamp(16px, 4vw, 19px);
  line-height: 1.5;
}

.flyer-frame {
  width: 100%;
  aspect-ratio: 1024 / 1260;
  overflow: hidden;
  border-radius: 16px;
  box-shadow: 0 18px 52px #0009;
}

.flyer {
  display: block;
  width: 100%;
  height: auto;
}

.cta-panel {
  margin: 20px 0 0;
  padding: 18px 16px 4px;
  text-align: center;
}

.cta-question {
  margin: 0;
  color: #fff;
  font-size: clamp(21px, 5.5vw, 30px);
  font-weight: 800;
  line-height: 1.18;
}

.cta-instruction {
  margin: 9px 0 0;
  color: #a9bfd4;
  font-size: 15px;
}

.actions {
  display: grid;
  gap: 12px;
  margin: 14px 0 0;
}

.button {
  display: block;
  padding: 17px 20px;
  border-radius: 12px;
  color: #00111d;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  font-size: 18px;
  font-weight: 800;
  text-decoration: none;
}

.button.secondary {
  color: #fff;
  background: transparent;
  border: 1px solid #34c8ff;
}